<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./text.css">
</head>
<body>
    <script src="./focus.js"></script>
    <input type="text"  placeholder="用户名">
    <input type="password" name="pas" id="pasw" placeholder="密码">
</body>
</html>